v0.76 - 4 new beats and tons of improvements!

Hello Puropu Defenders! Thank you so much for sending your feedbacks and bug reports! Here's a list of what has changed in v0.76: [list] [*] Added 4 new background musics when building and fighting! [*] The Gashapon machine has been repaired, and new sounds have been added [*] In multiplayer, the pop-up to start a new wave would come up too soon [*] Improved the way players select defenses to upgrade or sell them [*] Improved behind-the-scene networking code [*] Now Grey will get damages from enemies as it should [*] Various optimizations and improvements [/list]